<html>
  <head>
    <meta http-equiv="content-type" content="text/html; charset=UTF-8" />
    <title>小黑记事本</title>
    <meta http-equiv="content-type" content="text/html; charset=UTF-8" />
    <meta name="robots" content="noindex, nofollow" />
    <meta name="googlebot" content="noindex, nofollow" />
    <meta name="viewport" content="width=device-width, initial-scale=1" />
    <link rel="stylesheet" type="text/css" href="../css/index.css" />
  </head>

  <body>
    <!-- VUE示例接管区域 -->
    <section id="app">

      <!-- 输入框 -->
      <header class="header">
        <h1>VUE记事本</h1>
        <input
        @keyup.enter="add"
        v-model="input"
          autofocus="autofocus"
          autocomplete="off"
          placeholder="输入日程"
          class="new-todo"
        />
      </header>

      <!-- 列表区域 -->
      <section class="main">
        <ul class="listview">
          <li class="todo" v-for="(item,index) in list">
            <div class="view">
              <span class="index">{{index+1}}.</span>
              <label>{{item}}</label>
              <button class="destroy" @click="remove(index)"></button>
            </div>
          </li>
        </ul>
      </section>
       <!-- 统计和清空 -->
       <footer class="footer" v-show="list.length!=0">
        <span class="todo-count" v-if="list.length!=0"> <strong>1</strong> items left </span>
        <button class="clear-completed" @click=clear v-show="list.length!=0">
          Clear
        </button>
      </footer>
    </section>
    
    <!-- 开发环境版本，包含了有帮助的命令行警告 -->
    <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>

    <script>
      var app=new Vue({
        el:"#app",
        data:{
          list:["敲代码","看书","听音乐"],
          input:"哒哒哒"
        },
        methods:{
          add:function(){
            this.list.push(this.input);
          },
          remove:function(index){
            this.list.splice(index,1);
          },
          clear:function(){
            this.list=[];
          }
        }
      })
    </script>
  </body>
</html>
